Project Gutenberg was the first provider of free electronic books, or eBooks. Michael Hart, founder of Project Gutenberg, invented eBooks in 1971 and his memory continues to inspire the creation of eBooks and related technologies today.An Essay on the Scriptural Doctrine of Immortality by James ChallisAuthor: Challis, James, 1803-1882,Language: English, Class: BT: Philosophy, Psychology, Religion: Christianity: Doctrinal theology, God, Christology, Release Date: Nov 11, 2008